Frequency conversion cabinet of rail car
A multi-lock system with elastic elements stabilizes and secures cabinet doors in rail vehicle variable frequency cabinets, addressing vibration-induced noise and damage by enhancing stability and security.
Patent Information
- Application Number
- CN202422051595.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The cabinet doors of traditional rail car frequency converter cabinets are prone to violent vibration during vibration, resulting in abnormal noise and damage.
It adopts a multi-lock structure and elastic parts design, including a first latch lock, a tightening lock, a tie rod lock and an electronic lock, combining the cross beam and a fastening beam, and through the cooperation of multi-layer locking and elastic parts, the stability and safety of the cabinet door are improved.
Effectively prevent large vibrations from occurring during the track car, reduce abnormal noise and damage, and improve the locking stability and safety of the cabinet door.
Smart Images
Figure CN223110307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of frequency conversion cabinets for rail vehicles, and more specifically, to a frequency conversion cabinet for rail vehicles. Background Art
[0002] Traditional cabinet doors are only locked tightly up and down. For equipment with anti-seismic requirements, when it is shaken, the cabinet door vibrates the most. In the prior art, during the operation of a rail vehicle, the vibration caused to the frequency conversion cabinet usually results in violent vibration of the cabinet door, which not only generates a relatively large abnormal noise, but may also cause damage to the cabinet door. Content of the Utility Model
[0003] The technical problem solved by the utility model is how to improve the problems of abnormal noise and easy damage caused by violent vibration of the cabinet door in the prior art.
[0004] The embodiments of the utility model can be implemented as follows:
[0005] The utility model provides a frequency conversion cabinet for a rail vehicle, comprising:
[0006] A cabinet body, which is internally provided with an accommodation space. The accommodation space has an opening, and a fastening beam and two cross beams are arranged near the opening in the accommodation space. The two cross beams are respectively arranged at the top and bottom of the opening, and the fastening beam is arranged in the middle of the opening;
[0007] A cabinet door, comprising a left cabinet door and a right cabinet door. The left cabinet door and the right cabinet door are both movably connected to the cabinet body and are both arranged at the opening. The left cabinet door and the right cabinet door are used to open or close the accommodation space;
[0008] A first bolt lock, which is arranged on the inner side of the left cabinet door and is used to abut against the cross beam to lock the left cabinet door, and is also used to disengage from the cross beam to unlock the left cabinet door;
[0009] A tension lock, which is arranged on the right cabinet door. The tension lock has a first locking tongue. The first locking tongue is used to abut against the fastening beam to lock the right cabinet door, and is also used to disengage from the fastening beam to unlock the right cabinet door;
[0010] A pull rod lock, which is arranged on the right cabinet door. The pull rod lock has a second locking tongue and a third locking tongue. The second locking tongue is used to abut against the left cabinet door to lock the right cabinet door, and is also used to disengage from the left cabinet door to unlock the right cabinet door. The third locking tongue is used to abut against the cross beam to lock the right cabinet door, and is also used to disengage from the cross beam to unlock the right cabinet door. Wherein, when the second locking tongue locks the left cabinet door, the third locking tongue abuts against the cross beam;
[0011] An electronic lock is provided on the right cabinet door. The electronic lock has a fourth locking tongue, which is used to abut against the left cabinet door to lock the right cabinet door and is also used to disengage from the left cabinet door to unlock the right cabinet door.
[0012] Optionally, the top and bottom of the left cabinet door are both provided with the first bolt lock; the two first bolt locks are respectively arranged corresponding to the two cross beams.
[0013] Optionally, the rail vehicle frequency conversion cabinet further includes a second bolt lock, which is arranged inside the left cabinet door and at the middle position of the left cabinet door. The second bolt lock is used to abut against the fastening beam to lock the left cabinet door and is also used to disengage from the fastening beam to unlock the left cabinet door.
[0014] Optionally, a first stop block adapted to the first bolt lock is provided on the cross beam, and the first bolt lock abuts against the inside of the first stop block to lock the left cabinet door.
[0015] Optionally, a second stop block adapted to the third locking tongue is provided on the cross beam, and the third locking tongue abuts against the inside of the second stop block to lock the right cabinet door.
[0016] Optionally, first elastic members are provided on the inner sides of the left cabinet door and the right cabinet door. The first elastic members are arranged corresponding to the fastening beam; when the left cabinet door and the right cabinet door close the opening and are locked, the fastening beam presses the first elastic members.
[0017] Optionally, a first pressing member is convexly provided on the fastening beam, and the first pressing member corresponds to the first elastic member; when the left cabinet door and the right cabinet door close the opening and are locked, the first pressing member abuts against the first elastic member.
[0018] Optionally, second elastic members are further provided on the inner sides of the left cabinet door and the right cabinet door; the cabinet further includes columns, which are arranged on the left and right sides of the opening; the second elastic members are arranged corresponding to the columns; when the left cabinet door and the right cabinet door close the opening and are locked, the columns press the second elastic members.
[0019] Optionally, a second pressing member is convexly provided on the column, and the second pressing member corresponds to the second elastic member; when the left cabinet door and the right cabinet door close the opening and are locked, the second pressing member abuts against the second elastic member.
[0020] Optionally, a first reinforcing rib is further provided on the inner side of the left cabinet door, and the first reinforcing rib extends along the edge of the left cabinet door;
[0021] A second reinforcing rib is provided on the inner side of the right cabinet door. Some of the second reinforcing ribs are arranged along the edge of the right cabinet door, and the other part of the second reinforcing ribs surrounds the electronic lock to avoid the electronic lock.
[0022] The beneficial effects of the variable-frequency cabinet for rail vehicles provided by the present utility model compared with the prior art include:
[0023] In this variable-frequency cabinet for rail vehicles, the left cabinet door can be first locked on the cross beam through the first bolt lock to achieve the locking and fixing of the left cabinet door, thereby ensuring the stability of the left cabinet door. When the left cabinet door is locked, the right cabinet door is locked on the fastening beam through the tension lock to achieve the locking and fixing of the right cabinet door and ensure the stability of the right cabinet door. On this basis, the right cabinet door is further locked on the cross beam through the tie rod lock to further improve the locking stability of the right cabinet door. At the same time, the right cabinet door is locked on the left cabinet door through the tie rod lock to further lock the left cabinet door through the right cabinet door, further improving the locking stability of the left cabinet door. Finally, the right cabinet door and the left cabinet door are further locked through the electronic lock, which can further ensure the locking stability of the left cabinet door and the right cabinet door, and the safety performance of the left cabinet door and the right cabinet door can be improved through the electronic lock. Based on this, by locking the left cabinet door and the right cabinet door with multiple locks, the locking stability of the cabinet door can be improved, and large vibrations of the left cabinet door and the right cabinet door during the operation of the rail vehicle can be avoided, so as to solve the problems of abnormal noise and easy damage caused by severe vibrations of the cabinet door in the prior art.
[0024] Furthermore, a first elastic member is provided on the fastening beam, and a second elastic member is provided on the column. During the locking process of the left cabinet door, the first elastic member and the second elastic member are respectively pressed by the fastening beam and the column, and the first elastic member and the second elastic member that generate elastic deformation can provide a pre-tightening force to the left cabinet door. After the left cabinet door is locked, the stability of the left cabinet door can be improved through the elastic recovery of the first elastic member and the second elastic member. Similarly, during the locking process of the right cabinet door, the first elastic member and the second elastic member are also pressed, and the first elastic member and the second elastic member that generate elastic deformation can provide a pre-tightening force to the right cabinet door. After the right cabinet door is locked, the stability of the right cabinet door can be improved through the elastic recovery of the first elastic member and the second elastic member. In addition, when both the left cabinet door and the right cabinet door are locked, the first elastic member and the second elastic member can also provide an elastic buffering effect to the left cabinet door and the right cabinet door, further reducing the vibrations generated by the left cabinet door and the right cabinet door, which is beneficial to solving the problems of abnormal noise and easy damage caused by severe vibrations of the cabinet door in the prior art. Description of the Drawings
[0025] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.
[0026] Figure 1 Structural schematic diagram of the frequency conversion cabinet of the rail vehicle provided in the embodiment of the present application;
[0027] Figure 2 For Figure 1 Enlarged structural schematic diagram at location A in
[0028] Figure 3 For Figure 1 Partial view of the cross-sectional structural schematic diagram of the structure shown in
[0029] Figure 4 Partial structural schematic diagram of the frequency conversion cabinet of the rail vehicle provided in the embodiment of the present application;
[0030] Figure 5 For Figure 4 Partial view of the cross-sectional view at H-H of the structure shown;
[0031] Figure 6 For Figure 4 Partial view of the cross-sectional view at G-G of the structure shown.
[0032] Icon: 10 - Frequency conversion cabinet of the rail vehicle; 100 - Cabinet body; 110 - Accommodation space; 120 - Cross beam; 130 - Fastening beam; 140 - Column; 210 - Left cabinet door; 211 - First reinforcing rib; 220 - Right cabinet door; 221 - Second reinforcing rib; 300 - First bolt lock; 310 - First stop block; 400 - Second bolt lock; 500 - Tightening lock; 510 - First locking tongue; 600 - Pull rod lock; 610 - Second locking tongue; 620 - Third locking tongue; 621 - Second stop block; 700 - Electronic lock; 810 - First elastic member; 811 - First pressing member; 820 - Second elastic member; 821 - Second pressing member. Detailed implementation manners
[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0034] Accordingly, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts shall fall within the scope of protection of the present invention.
[0035] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0036] In the description of the present invention, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. This is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0037] In addition, if terms such as "first", "second", etc. are used only for distinguishing descriptions, they cannot be understood as indicating or implying relative importance.
[0038] It should be noted that the features in the embodiments of the present invention can be combined with each other without conflict.
[0039] During the running of the rail vehicle, certain vibrations are usually generated. Especially, the vibrations caused by the cabinet door on the frequency conversion cabinet of the rail vehicle are the largest, which easily leads to abnormal noises and even damage to the cabinet door. Based on this, please refer to Figure 1 In this embodiment, a rail vehicle frequency conversion cabinet 10 is provided to improve the problems of abnormal noises and easy damage caused by severe vibrations of the cabinet door in the prior art.
[0040] In this embodiment, a variable-frequency cabinet 10 of a rail vehicle includes a cabinet body 100, a cabinet door, a first bolt lock 300, a tension lock 500, a pull rod lock 600, and an electronic lock 700. An accommodation space 110 is provided inside the cabinet body 100. The accommodation space 110 has an opening, and a fastening beam 130 and two cross beams 120 are provided near the opening inside the accommodation space 110. The two cross beams 120 are respectively provided at the top and bottom of the opening, and the fastening beam 130 is provided in the middle of the opening. Among them, the cross beams 120 and the fastening beam 130 can be regarded as part of the main frame in the cabinet body 100. The cabinet door includes a left cabinet door 210 and a right cabinet door 220. The left cabinet door 210 and the right cabinet door 220 are both movably connected to the cabinet body 100 and are both provided at the opening. The left cabinet door 210 and the right cabinet door 220 are used to open or close the accommodation space 110. It should be noted that generally, the left cabinet door 210 and the right cabinet door 220 are respectively provided on the left and right sides of the opening to respectively open or close the corresponding areas on the left and right sides. The first bolt lock 300 is provided inside the left cabinet door 210 and is used to abut against the cross beam 120 to lock the left cabinet door 210, and is also used to disengage from the cross beam 120 to unlock the left cabinet door 210. The tension lock 500 is provided on the right cabinet door 220. The tension lock 500 has a first locking tongue 510. Please refer to Figure 1 and Figure 2 ; The first locking tongue 510 is used to abut against the fastening beam 130 to lock the right cabinet door 220, and is also used to disengage from the fastening beam 130 to unlock the right cabinet door 220. The pull rod lock 600 is provided on the right cabinet door 220. The pull rod lock 600 has a second locking tongue 610 and a third locking tongue 620. Please refer to Figure 1 and Figure 3 ; The second locking tongue 610 is used to abut against the left cabinet door 210 to lock the right cabinet door 220, and is also used to disengage from the left cabinet door 210 to unlock the right cabinet door 220; The third locking tongue 620 is used to abut against the cross beam 120 to lock the right cabinet door 220, and is also used to disengage from the cross beam 120 to unlock the right cabinet door 220; Among them, when the second locking tongue 610 locks the left cabinet door 210, the third locking tongue 620 abuts against the cross beam 120. The electronic lock 700 is provided on the right cabinet door 220. The electronic lock 700 has a fourth locking tongue. The fourth locking tongue is used to abut against the left cabinet door 210 to lock the right cabinet door 220, and is also used to disengage from the left cabinet door 210 to unlock the right cabinet door 220.
[0041] It should be noted that the above-mentioned first bolt lock 300, tension lock 500, pull rod lock 600, and electronic lock 700 can all adopt existing locks. Here, the specific structures of the first bolt lock 300, tension lock 500, pull rod lock 600, and electronic lock 700 will not be elaborated. Just refer to the existing lock structures. It should be noted that the electronic lock 700 can adopt a password lock, a fingerprint lock, an NFC type lock, etc.
[0042] As described above, in the frequency conversion cabinet 10 of the rail vehicle, the left cabinet door 210 can be first locked to the cross beam 120 through the first bolt lock 300 to realize the locking and fixing of the left cabinet door 210, thereby ensuring the stability of the left cabinet door 210; when the left cabinet door 210 is locked, the right cabinet door 220 is locked to the fastening beam 130 through the tension lock 500 to realize the locking and fixing of the right cabinet door 220 and ensure the stability of the right cabinet door 220; on this basis, the right cabinet door 220 is further locked to the cross beam 120 through the tie rod lock 600 to further improve the locking stability of the right cabinet door 220; at the same time, the right cabinet door 220 is locked to the left cabinet door 210 through the tie rod lock 600 to further lock the left cabinet door 210 through the right cabinet door 220 and further improve the locking stability of the left cabinet door 210; finally, the right cabinet door 220 and the left cabinet door 210 are further locked through the electronic lock 700, which can further ensure the locking stability of the left cabinet door 210 and the right cabinet door 220, and the safety performance of the left cabinet door 210 and the right cabinet door 220 can be improved through the electronic lock 700. Based on this, by locking the left cabinet door 210 and the right cabinet door 220 with multiple locks, the locking stability of the cabinet door can be improved, and large vibrations of the left cabinet door 210 and the right cabinet door 220 during the operation of the rail vehicle can be avoided, so as to solve the problems of abnormal noise and easy damage caused by violent vibrations of the cabinet door in the prior art.
[0043] Further, in order to ensure the locking stability of the left cabinet door 210, the first bolt locks 300 are arranged at both the top and bottom of the left cabinet door 210; the two first bolt locks 300 are respectively arranged corresponding to the two cross beams 120. That is to say, when locking the left cabinet door 210 through the first bolt lock 300, by arranging the first bolt locks 300 at both the upper and lower ends of the left cabinet door 210, the locking effect can be provided for the left cabinet door 210 simultaneously from both the upper and lower ends of the left cabinet door 210, ensuring that the left cabinet door 210 is locked stably as a whole, improving the overall stability of the left cabinet door 210, and preventing abnormal noise and damage caused by local vibration.
[0044] In addition, in this embodiment, the frequency conversion cabinet 10 of the rail vehicle further includes a second bolt lock 400. The second bolt lock 400 is arranged inside the left cabinet door 210 and at the middle position of the left cabinet door 210. The second bolt lock 400 is used to abut against the fastening beam 130 to lock the left cabinet door 210 and is also used to disengage from the fastening beam 130 to unlock the left cabinet door 210. By arranging the second bolt lock 400 at the middle position of the left cabinet door 210 and locking the middle position of the left cabinet door 210 to the fastening beam 130 through the second bolt lock 400, the overall stability of the left cabinet door 210 can be further improved.
[0045] Based on this, the second bolt lock 400 and the two first bolt locks 300 jointly provide a locking effect on the left cabinet door 210, which can provide a locking effect on the left cabinet door 210 in multiple ways, thereby ensuring that the left cabinet door 210 is integrally locked on the cabinet body 100 and improving the overall stability of the left cabinet door 210.
[0046] It should be understood that in other embodiments of the present application, the setting of the second bolt lock 400 can also be cancelled.
[0047] In this embodiment, a first stopper 310 adapted to the first bolt lock 300 is provided on the cross beam 120, and the first bolt lock 300 abuts against the inner side of the first stopper 310 to lock the left cabinet door 210. Generally, the bolt of the first bolt lock 300 is moved up and down to achieve locking and unlocking, and by providing the first stopper 310 on the cross beam 120, it is convenient for the bolt of the first bolt lock 300 to be locked with the cross beam 120. Optionally, at least a part of the first stopper 310 is in a sheet shape, and this sheet-shaped part cooperates with the bolt of the first bolt lock 300 to facilitate the purpose of locking.
[0048] It should be understood that in other embodiments of the present application, the setting of the first stopper 310 can also be cancelled; for example, a hole adapted to the bolt of the first bolt lock 300 is opened on the cross beam 120, and after the bolt of the first bolt lock 300 extends out, it extends into the hole, so that the cooperation between the first bolt lock 300 and the cross beam 120 can be achieved.
[0049] Correspondingly, a structure similar to the first stopper 310 can also be provided on the fastening beam 130 to facilitate the cooperation with the second bolt lock 400.
[0050] In addition, in this embodiment, a second stopper 621 adapted to the third locking tongue 620 is provided on the cross beam 120, and the third locking tongue 620 abuts against the inner side of the second stopper 621 to lock the right cabinet door 220. Generally, the third locking tongue 620 of the drawbar lock 600 is generally connected to the lock body of the drawbar lock 600 through a connecting rod, and when the lock body controls the movement of the connecting rod, the connecting rod drives the third locking tongue 620 to move up and down; based on this, in order to facilitate the locking of the third locking tongue 620 with the cross beam 120, the second stopper 621 is provided on the cross beam 120. Specifically, at least a part of the second stopper 621 is in a sheet shape to facilitate the third locking tongue 620 to move to the inner side of the second stopper 621 to achieve locking with the second stopper 621.
[0051] Based on the provided rail vehicle frequency conversion cabinet 10 above, the method of locking the cabinet door can be as follows: First, lock the left cabinet door 210 on the cabinet body 100 through the first bolt lock 300 and the second bolt lock 400. Prioritizing the locking of the left cabinet door 210 can not only complete the locking of the left cabinet door 210 first, but also prevent the left cabinet door 210 from affecting the locking of the right cabinet door 220. After completing the locking of the left cabinet door 210, close the right cabinet door 220, and then use the tension lock 500 to hold the right cabinet door 220 against the fastening beam 130. At this time, the locking and positioning of the right cabinet door 220 are completed; further, use the tie rod lock 600 to lock the right cabinet door 220 and the fastening beam 130, and to lock the right cabinet door 220 and the left cabinet door 210 to each other, improving the overall locking stability of the right cabinet door 220 and the left cabinet door 210. Finally, use the electronic lock 700 to lock the left cabinet door 210 and the right cabinet door 220. On the one hand, it can further improve the locking of the left cabinet door 210 and the right cabinet door 220, and also improve the security of the right cabinet door 220 and the left cabinet door 210. Based on this, the locking of the left cabinet door 210 and the right cabinet door 220 is completed.
[0052] In this embodiment, please refer to Figure 3 、 Figure 4 and Figure 5 , in order to further improve the locking stability of the left cabinet door 210 and the right cabinet door 220, first elastic members 810 are provided on the inner sides of the left cabinet door 210 and the right cabinet door 220, and the first elastic members 810 are arranged corresponding to the fastening beam 130; when the left cabinet door 210 and the right cabinet door 220 are closed and locked, the fastening beam 130 presses the first elastic members 810. It should be noted that the first elastic members 810 on the left cabinet door 210 and the first elastic members 810 on the right cabinet door 220 are of a split structure, and when the left cabinet door 210 and the right cabinet door 220 are both closed, the first elastic members 810 on the left cabinet door 210 and the first elastic members 810 on the right cabinet door 220 are connected to form an integral elastic member.
[0053] Among them, through the setting of the first elastic members 810, during the locking process of the left cabinet door 210 and the right cabinet door 220, the left cabinet door 210 and the right cabinet door 220 can first press the first elastic members 810, causing the first elastic members 810 to undergo elastic deformation, so as to provide a pre-tightening force to the left cabinet door 210 and the right cabinet door 220 through the first elastic members 810. After the left cabinet door 210 and the right cabinet door 220 are locked, further locking of the left cabinet door 210 and the right cabinet door 220 can be achieved based on the elastic recovery of the first elastic members 810, preventing the left cabinet door 210 and the right cabinet door 220 from vibrating. In addition, the setting of the first elastic members 810 can also provide an elastic buffering effect to the left cabinet door 210 and the right cabinet door 220, absorbing the vibration generated by the cabinet door and preventing abnormal noises and damage caused by the violent vibration of the cabinet door.
[0054] Optionally, for the convenience of the cooperation between the fastening beam 130 and the first elastic member 810, in this embodiment, a first pressing member 811 is protrudingly provided on the fastening beam 130, and the first pressing member 811 corresponds to the first elastic member 810; when the left cabinet door 210 and the right cabinet door 220 close the opening and are locked, the first pressing member 811 abuts against the first elastic member 810. Among them, the first pressing member 811 is protrudingly provided on the side of the fastening beam 130 close to the cabinet door, and the first pressing member 811 is in a sheet structure to facilitate the first pressing member 811 to press the first elastic member 810.
[0055] In addition, in this embodiment, second elastic members 820 are further provided on the inner sides of the left cabinet door 210 and the right cabinet door 220, and the second elastic members 820 are arranged corresponding to the columns 140; when the left cabinet door 210 and the right cabinet door 220 close the opening and are locked, the columns 140 press the second elastic members 820. Similarly, the second elastic member 820 on the left cabinet door 210 is arranged on the side of the left cabinet door 210 away from the right cabinet door 220, and the second elastic member 820 on the right cabinet door 220 is arranged on the side away from the left cabinet door 210, so that the second elastic members 820 can correspond to the columns 140 conveniently.
[0056] Among them, through the arrangement of the second elastic members 820, during the locking process of the left cabinet door 210 and the right cabinet door 220, the left cabinet door 210 and the right cabinet door 220 can first press the second elastic members 820, causing the second elastic members 820 to generate elastic deformation, so as to provide a pre-tightening force to the left cabinet door 210 and the right cabinet door 220 through the second elastic members 820; after the left cabinet door 210 and the right cabinet door 220 are locked, the left cabinet door 210 and the right cabinet door 220 can be further locked based on the elastic recovery action of the second elastic members 820 to prevent the left cabinet door 210 and the right cabinet door 220 from vibrating. In addition, the arrangement of the second elastic members 820 can also provide an elastic buffering effect to the left cabinet door 210 and the right cabinet door 220, absorb the vibration generated by the cabinet door, and prevent the cabinet door from generating abnormal noises and damages due to violent vibration.
[0057] Optionally, for the convenience of the cooperation between the column 140 and the second elastic member 820, in this embodiment, a second pressing member 821 is protrudingly provided on the column 140, and the second pressing member 821 corresponds to the second elastic member 820; when the left cabinet door 210 and the right cabinet door 220 close the opening and are locked, the second pressing member 821 abuts against the second elastic member 820. Among them, the second pressing member 821 is protrudingly provided on the side of the column 140 close to the cabinet door, and the second pressing member 821 is in a sheet structure to facilitate the second pressing member 821 to press the second elastic member 820.
[0058] In this embodiment, a first reinforcing rib 211 is further provided on the inner side of the left cabinet door 210, and the first reinforcing rib 211 extends along the edge of the left cabinet door 210. The arrangement of the first reinforcing rib 211 can improve the overall strength of the left cabinet door 210, prevent the left cabinet door 210 from deforming, and further ensure the locking stability of the left cabinet door 210 when the left cabinet door 210 is locked by multiple locks, preventing the situation where the left cabinet door 210 warps locally and causes local vibration. Similarly, a second reinforcing rib 221 is provided on the inner side of the right cabinet door 220. Part of the second reinforcing rib 221 extends along the edge of the right cabinet door 220, and the other part of the second reinforcing rib 221 is arranged around the electronic lock 700 to avoid the electronic lock 700. By providing the second reinforcing rib 221, the overall strength of the right cabinet door 220 can be improved, preventing the right cabinet door 220 from deforming, and further ensuring the locking stability of the right cabinet door 220 when the right cabinet door 220 is locked by multiple locks, preventing the problem that the right cabinet door 220 warps locally and causes local vibration.
[0059] In summary, in the frequency conversion cabinet 10 of the rail vehicle, the left cabinet door 210 can be first locked on the cross beam 120 through the first bolt lock 300 to achieve the locking and fixation of the left cabinet door 210, thereby ensuring the stability of the left cabinet door 210; when the left cabinet door 210 is locked, the right cabinet door 220 is locked on the fastening beam 130 through the tension lock 500 to achieve the locking and fixation of the right cabinet door 220 and ensure the stability of the right cabinet door 220; on this basis, the right cabinet door 220 is further locked on the cross beam 120 through the tie rod lock 600 to further improve the locking stability of the right cabinet door 220; at the same time, the right cabinet door 220 is locked on the left cabinet door 210 through the tie rod lock 600 to further lock the left cabinet door 210 through the right cabinet door 220 and further improve the locking stability of the left cabinet door 210; finally, the right cabinet door 220 and the left cabinet door 210 are further locked through the electronic lock 700, which can further ensure the locking stability of the left cabinet door 210 and the right cabinet door 220, and the safety performance of the left cabinet door 210 and the right cabinet door 220 can be improved through the electronic lock 700. Based on this, the locking of the left cabinet door 210 and the right cabinet door 220 by multiple locks can improve the locking stability of the cabinet door, avoid large vibrations of the left cabinet door 210 and the right cabinet door 220 during the operation of the rail vehicle, and solve the problems of abnormal noise and easy damage caused by severe vibrations of the cabinet door in the prior art. Further, a first elastic member 810 is provided on the fastening beam 130, and a second elastic member 820 is provided on the column 140. During the locking process of the left cabinet door 210, the first elastic member 810 and the second elastic member 820 are respectively pressed by the fastening beam 130 and the column 140, and the first elastic member 810 and the second elastic member 820 that generate elastic deformation can provide a pre-tightening force to the left cabinet door 210. After the left cabinet door 210 is locked, the stability of the left cabinet door 210 can be improved through the elastic recovery of the first elastic member 810 and the second elastic member 820; similarly, during the locking process of the right cabinet door 220, the first elastic member 810 and the second elastic member 820 are also pressed, and the first elastic member 810 and the second elastic member 820 that generate elastic deformation can provide a pre-tightening force to the right cabinet door 220. After the right cabinet door 220 is locked, the stability of the right cabinet door 220 can be improved through the elastic recovery of the first elastic member 810 and the second elastic member 820. In addition, when both the left cabinet door 210 and the right cabinet door 220 are locked, the first elastic member 810 and the second elastic member 820 can also provide an elastic buffering effect to the left cabinet door 210 and the right cabinet door 220, further reducing the vibrations generated by the left cabinet door 210 and the right cabinet door 220, which is beneficial to solving the problems of abnormal noise and easy damage caused by severe vibrations of the cabinet door in the prior art.
[0060] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims described above.
Claims
1. A variable frequency cabinet for a rail vehicle, characterized in that, Comprising: A cabinet body, which is provided with an accommodation space inside. The accommodation space has an opening, and a fastening beam and two cross beams are provided near the opening inside the accommodation space; the two cross beams are respectively arranged at the top and bottom of the opening, and the fastening beam is arranged in the middle of the opening; A cabinet door, including a left cabinet door and a right cabinet door. The left cabinet door and the right cabinet door are both movably connected to the cabinet body and are both arranged at the opening. The left cabinet door and the right cabinet door are used to open or close the accommodation space; A first bolt lock, which is arranged inside the left cabinet door and is used to abut against the cross beam to lock the left cabinet door, and is also used to disengage from the cross beam to unlock the left cabinet door; A tension lock, which is arranged on the right cabinet door. The tension lock has a first locking tongue; the first locking tongue is used to abut against the fastening beam to lock the right cabinet door, and is also used to disengage from the fastening beam to unlock the right cabinet door; A pull rod lock, which is arranged on the right cabinet door. The pull rod lock has a second locking tongue and a third locking tongue; the second locking tongue is used to abut against the left cabinet door to lock the right cabinet door, and is also used to disengage from the left cabinet door to unlock the right cabinet door; the third locking tongue is used to abut against the cross beam to lock the right cabinet door, and is also used to disengage from the cross beam to unlock the right cabinet door; wherein, when the second locking tongue locks the left cabinet door, the third locking tongue abuts against the cross beam; An electronic lock, which is arranged on the right cabinet door. The electronic lock has a fourth locking tongue, and the fourth locking tongue is used to abut against the left cabinet door to lock the right cabinet door, and is also used to disengage from the left cabinet door to unlock the right cabinet door.
2. The frequency conversion cabinet of the rail vehicle according to claim 1, characterized in that, The top and bottom of the left cabinet door are both provided with the first bolt locks; the two first bolt locks are respectively arranged corresponding to the two cross beams.
3. The frequency conversion cabinet for a rail vehicle according to claim 2, wherein The rail vehicle frequency conversion cabinet further includes a second bolt lock, which is arranged inside the left cabinet door and is located at the middle position of the left cabinet door. The second bolt lock is used to abut against the fastening beam to lock the left cabinet door, and is also used to disengage from the fastening beam to unlock the left cabinet door.
4. The frequency conversion cabinet for a rail vehicle according to claim 1, characterized in that The cross beam is provided with a first stop block adapted to the first bolt lock, and the first bolt lock abuts against the inside of the first stop block to lock the left cabinet door.
5. The frequency conversion cabinet of the rail vehicle according to claim 1, wherein The cross beam is provided with a second stop block adapted to the third locking tongue, and the third locking tongue abuts against the inside of the second stop block to lock the right cabinet door.
6. The frequency conversion cabinet of the rail vehicle according to claim 1, wherein First elastic members are arranged inside the left cabinet door and the right cabinet door respectively, and the first elastic members are arranged corresponding to the fastening beam; when the left cabinet door and the right cabinet door close the opening and are locked, the fastening beam presses the first elastic members.
7. The frequency conversion cabinet of the rail vehicle according to claim 6, characterized in that, A first pressing member is convexly arranged on the fastening beam, and the first pressing member corresponds to the first elastic member; when the left cabinet door and the right cabinet door close the opening and are locked, the first pressing member abuts against the first elastic member.
8. The frequency conversion cabinet for rail vehicles according to claim 1, wherein Second elastic members are further arranged inside the left cabinet door and the right cabinet door; the cabinet body further includes columns, and the columns are arranged on the left and right sides of the opening; the second elastic members are arranged corresponding to the columns; when the left cabinet door and the right cabinet door close the opening and are locked, the columns press the second elastic members.
9. The frequency conversion cabinet for rail vehicles according to claim 8, characterized in that, A second pressing member is convexly provided on the column, and the second pressing member corresponds to the second elastic member; when the left cabinet door and the right cabinet door close the opening and are locked, the second pressing member abuts against the second elastic member.
10. The frequency conversion cabinet of the rail vehicle according to claim 1, characterized in that, A first reinforcing rib is further provided inside the left cabinet door, and the first reinforcing rib extends along the edge of the left cabinet door; A second reinforcing rib is provided inside the right cabinet door, part of the second reinforcing rib extends along the edge of the right cabinet door, and the other part of the second reinforcing rib surrounds the electronic lock to avoid the electronic lock.